The superconductivity at 18 K in LiFeAs system
By Xiaofei Wang, Qian Liu, Y. Lv, W. Gao, L. X. Yang, R. Yu, Fengying Li, C. Jin. 2008
741 citations recorded by the source corpus.
Abstract The recent discovery of superconductivity in iron arsenide compounds RFeAsO (R=rare earth) or AFe2As2 (A=alkaline earth) has attracted great attention due to the unexpected high T c in the system containing ferromagnetic elements like Fe. Similar to high T c cuprates, the superconductivity in iron arsenide is related to a layered structure. Searching for new superconductors with [FeAs] layer, but of simpler structure will be of scientific significance either to build up new multilayered superconductors that may reach higher T c or to study the mysterious underlined superconducting mechanism in iron arsenide compounds. Here we report that a new superconducting iron arsenide system LiFeAs was found. The compound crystallizes into a structure containing [FeAs] conducting layer that is interlaced with Li charge reservoir. Superconductivity was observed with T c up to 18 K in the compounds.
Subfields: Accounting, Electronic, Optical and Magnetic Materials
View Paper: https://www.semanticscholar.org/paper/727936c668ce94f17d62cbce44e55df892ec1006
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In Accounting
In Electronic, Optical and Magnetic Materials
Citations in the corpus
- Iron-based superconductors at high magnetic fields (2011, neutral): “Here we discuss a possible example of such material LiFeAs—one of the few stoichiometric FBSs exhibiting ambient-pressure superconductivity without doping at a relatively high Tc = 18 K, [148] as compared with LaFePO (Tc = 5.”
- Novel BiS2-based layered superconductor Bi4O4S3 (2012, background): “To date, over 50 Fe-based superconductors with a layered structure, basically composed of superconducting layers of Fe-pnictogen (Fe2As2 or Fe2P2) or Fe-chalcogen (Fe2Se2 or Fe2Te2) layers and spacer layers, have been discovered.(8-13) As introduced here, discovery of a new layered superconductor pr”
- Iron-based high transition temperature superconductors (2014, background): “The simplest FeAs-based superconductor in structure is the AFeAs (A= Li andNa, called 111 phase) [12,13,28].”
- Superconductivity in iron compounds (2011, background): “Substitution of four-valent Th for three-valent Gd (i.e., electron doping) inGd0:8Th0:2FeAsO leads toTc ¼ 56 K (C.Wang et al., 2008).”